Acer G520 User's Guide download pdf (Page 136)

Appendix A: Troubleshooting

126

Specific Problems and Corrective Actions

This section provides possible solutions for these specific problems:

• Power light does not light.

• No characters appear on screen.

• Characters on the screen appear distorted or incorrect.

• System cooling fans do not rotate.

• Diskette drive activity light does not light.

• Hard disk drive activity light does not light.

• CD-ROM drive activity light does not light.

• There are problems with application software.

• The bootable CD-ROM is not detected.

Try the solutions below in the order given. If you cannot correct the

problem, contact your service representative or authorized dealer for

help.

Power Light Does Not Light

Check the following:

• Did you press the power-on button?

• Is the system operating normally? If so, the power LED might be

defective or the cable from the control panel to the server board

might be loose.

• Have you securely plugged the server AC power cord into the

power supply?

• Is the power supply correctly set to 110V or 235V, depending on

your power output?

• Will other items plugged into the same power outlet function

correctly?

• Some ATX power supplies have a power switch on the back of the

power supply, next to the fan. If your system has one, is it turned

on?

• Remove all add-in cares and see if the system boots. If successful,

add the cards back in one at a time with a reboot between each

addition.

• Make sure the memory DIMMs comply with the system

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Acer G520 User's Guide Page 136